R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 R13: 00007ffc3865438f R14: 00007fc120c909c0 R15: 000000000119bf8c device team0 left promiscuous mode ====================================================== WARNING: possible circular locking dependency detected 4.14.217-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.0/354 is trying to acquire lock: (console_owner){-.-.}, at: [] console_trylock_spinning kernel/printk/printk.c:1658 [inline] (console_owner){-.-.}, at: [] vprintk_emit+0x32a/0x620 kernel/printk/printk.c:1922 but task is already holding lock: (&(&port->lock)->rlock){-.-.}, at: [] tty_port_close_start.part.0+0x28/0x4c0 drivers/tty/tty_port.c:573 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&(&port->lock)->rlock){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:160 tty_port_tty_get+0x1d/0x80 drivers/tty/tty_port.c:288 tty_port_default_wakeup+0x11/0x40 drivers/tty/tty_port.c:46 serial8250_tx_chars+0x3fe/0xbf0 drivers/tty/serial/8250/8250_port.c:1810 serial8250_handle_irq.part.0+0x28d/0x330 drivers/tty/serial/8250/8250_port.c:1897 serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1870 [inline] serial8250_default_handle_irq+0x8a/0x1f0 drivers/tty/serial/8250/8250_port.c:1913 serial8250_interrupt+0xf3/0x210 drivers/tty/serial/8250/8250_core.c:129 __handle_irq_event_percpu+0xee/0x7f0 kernel/irq/handle.c:147 handle_irq_event_percpu kernel/irq/handle.c:187 [inline] handle_irq_event+0xf0/0x250 kernel/irq/handle.c:204 handle_edge_irq+0x224/0xc40 kernel/irq/chip.c:770 generic_handle_irq_desc include/linux/irqdesc.h:159 [inline] handle_irq+0x35/0x50 arch/x86/kernel/irq_64.c:87 do_IRQ+0x93/0x1d0 arch/x86/kernel/irq.c:230 ret_from_intr+0x0/0x1e native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline] default_idle+0x47/0x370 arch/x86/kernel/process.c:558 cpuidle_idle_call kernel/sched/idle.c:156 [inline] do_idle+0x250/0x3c0 kernel/sched/idle.c:246 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:351 start_secondary+0x4db/0x670 arch/x86/kernel/smpboot.c:272 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #1 (&port_lock_key){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:160 serial8250_console_write+0x7a7/0x9d0 drivers/tty/serial/8250/8250_port.c:3253 call_console_drivers kernel/printk/printk.c:1725 [inline] console_unlock+0x99d/0xf20 kernel/printk/printk.c:2400 vprintk_emit+0x224/0x620 kernel/printk/printk.c:1923 vprintk_func+0x58/0x160 kernel/printk/printk_safe.c:401 printk+0x9e/0xbc kernel/printk/printk.c:1996 register_console+0x6f4/0xad0 kernel/printk/printk.c:2719 univ8250_console_init+0x2f/0x3a drivers/tty/serial/8250/8250_core.c:691 console_init+0x46/0x53 kernel/printk/printk.c:2800 start_kernel+0x52e/0x770 init/main.c:634 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #0 (console_owner){-.-.}: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 console_trylock_spinning kernel/printk/printk.c:1679 [inline] vprintk_emit+0x367/0x620 kernel/printk/printk.c:1922 vprintk_func+0x58/0x160 kernel/printk/printk_safe.c:401 printk+0x9e/0xbc kernel/printk/printk.c:1996 tty_port_close_start.part.0+0x46c/0x4c0 drivers/tty/tty_port.c:575 tty_port_close_start drivers/tty/tty_port.c:647 [inline] tty_port_close+0x3b/0x130 drivers/tty/tty_port.c:640 tty_release+0x40b/0x10d0 drivers/tty/tty_io.c:1670 __fput+0x25f/0x7a0 fs/file_table.c:210 task_work_run+0x11f/0x190 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb other info that might help us debug this: Chain exists of: console_owner --> &port_lock_key --> &(&port->lock)->rlock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&(&port->lock)->rlock); lock(&port_lock_key); lock(&(&port->lock)->rlock); lock(console_owner); *** DEADLOCK *** 2 locks held by syz-executor.0/354: #0: (&tty->legacy_mutex){+.+.}, at: [] tty_lock+0x5f/0x70 drivers/tty/tty_mutex.c:19 #1: (&(&port->lock)->rlock){-.-.}, at: [] tty_port_close_start.part.0+0x28/0x4c0 drivers/tty/tty_port.c:573 stack backtrace: CPU: 0 PID: 354 Comm: syz-executor.0 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 console_trylock_spinning kernel/printk/printk.c:1679 [inline] vprintk_emit+0x367/0x620 kernel/printk/printk.c:1922 vprintk_func+0x58/0x160 kernel/printk/printk_safe.c:401 printk+0x9e/0xbc kernel/printk/printk.c:1996 tty_port_close_start.part.0+0x46c/0x4c0 drivers/tty/tty_port.c:575 tty_port_close_start drivers/tty/tty_port.c:647 [inline] tty_port_close+0x3b/0x130 drivers/tty/tty_port.c:640 tty_release+0x40b/0x10d0 drivers/tty/tty_io.c:1670 __fput+0x25f/0x7a0 fs/file_table.c:210 task_work_run+0x11f/0x190 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x417b71 RSP: 002b:00007fff13dec980 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000417b71 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000007 RBP: 0000000000000001 R08: 0000000000000419 R09: 000000005290041d R10: 00007fff13deca60 R11: 0000000000000293 R12: ffffffffffffffff R13: 000000000004e02d R14: 00000000000003e8 R15: 000000000119bf8c device team_slave_0 left promiscuous mode device team_slave_1 left promiscuous mode bridge0: port 3(team0) entered disabled state team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state device team0 entered promiscuous mode device team_slave_0 entered promiscuous mode device team_slave_1 entered promiscuous mode bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered forwarding state team0: Cannot enslave team device to itself net_ratelimit: 64 callbacks suppressed ip_tables: iptables: counters copy to user failed while replacing table bridge0: port 3(team0) entered blocking state ip_tables: iptables: counters copy to user failed while replacing table bridge0: port 3(team0) entered disabled state ip_tables: iptables: counters copy to user failed while replacing table FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 378 Comm: syz-executor.5 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:632 ip_tables: iptables: counters copy to user failed while replacing table kernfs_new_node+0x7b/0xe0 fs/kernfs/dir.c:677 __kernfs_create_file+0x3d/0x320 fs/kernfs/file.c:989 sysfs_add_file_mode_ns+0x1e1/0x450 fs/sysfs/file.c:307 sysfs_create_file include/linux/sysfs.h:515 [inline] br_sysfs_addif+0xd8/0x1a0 net/bridge/br_sysfs_if.c:297 ip_tables: iptables: counters copy to user failed while replacing table br_add_if+0x5f3/0x1740 net/bridge/br_if.c:531 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table rtnl_newlink+0x1267/0x1830 net/core/rtnetlink.c:2660 ip_tables: iptables: counters copy to user failed while replacing table rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc120c8fc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007fc120c8fca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000011 R13: 00007ffc3865438f R14: 00007fc120c909c0 R15: 000000000119bf8c device team0 left promiscuous mode device team_slave_0 left promiscuous mode device team_slave_1 left promiscuous mode bridge0: port 3(team0) entered disabled state team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state device team0 entered promiscuous mode device team_slave_0 entered promiscuous mode device team_slave_1 entered promiscuous mode bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered forwarding state device team0 left promiscuous mode device team_slave_0 left promiscuous mode ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table device team_slave_1 left promiscuous mode bridge0: port 3(team0) entered disabled state team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state device team0 entered promiscuous mode device team_slave_0 entered promiscuous mode device team_slave_1 entered promiscuous mode bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered forwarding state team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 420 Comm: syz-executor.5 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:632 kernfs_new_node+0x7b/0xe0 fs/kernfs/dir.c:677 __kernfs_create_file+0x3d/0x320 fs/kernfs/file.c:989 sysfs_add_file_mode_ns+0x1e1/0x450 fs/sysfs/file.c:307 sysfs_create_file include/linux/sysfs.h:515 [inline] br_sysfs_addif+0xd8/0x1a0 net/bridge/br_sysfs_if.c:297 br_add_if+0x5f3/0x1740 net/bridge/br_if.c:531 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 rtnl_newlink+0x1267/0x1830 net/core/rtnetlink.c:2660 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc120c6ec68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007fc120c6eca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000012 R13: 00007ffc3865438f R14: 00007fc120c6f9c0 R15: 000000000119c034 device team0 left promiscuous mode device team_slave_0 left promiscuous mode device team_slave_1 left promiscuous mode bridge0: port 3(team0) entered disabled state team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state device team0 entered promiscuous mode device team_slave_0 entered promiscuous mode device team_slave_1 entered promiscuous mode bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered forwarding state team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 446 Comm: syz-executor.5 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:632 kernfs_new_node+0x7b/0xe0 fs/kernfs/dir.c:677 __kernfs_create_file+0x3d/0x320 fs/kernfs/file.c:989 sysfs_add_file_mode_ns+0x1e1/0x450 fs/sysfs/file.c:307 sysfs_create_file include/linux/sysfs.h:515 [inline] br_sysfs_addif+0xd8/0x1a0 net/bridge/br_sysfs_if.c:297 br_add_if+0x5f3/0x1740 net/bridge/br_if.c:531 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 rtnl_newlink+0x1267/0x1830 net/core/rtnetlink.c:2660 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc120c8fc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007fc120c8fca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 R13: 00007ffc3865438f R14: 00007fc120c909c0 R15: 000000000119bf8c device team0 left promiscuous mode device team_slave_0 left promiscuous mode device team_slave_1 left promiscuous mode bridge0: port 3(team0) entered disabled state team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state device team0 entered promiscuous mode device team_slave_0 entered promiscuous mode device team_slave_1 entered promiscuous mode bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered forwarding state team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 475 Comm: syz-executor.5 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:632 kernfs_new_node+0x7b/0xe0 fs/kernfs/dir.c:677 __kernfs_create_file+0x3d/0x320 fs/kernfs/file.c:989 sysfs_add_file_mode_ns+0x1e1/0x450 fs/sysfs/file.c:307 sysfs_create_file include/linux/sysfs.h:515 [inline] br_sysfs_addif+0xd8/0x1a0 net/bridge/br_sysfs_if.c:297 br_add_if+0x5f3/0x1740 net/bridge/br_if.c:531 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 rtnl_newlink+0x1267/0x1830 net/core/rtnetlink.c:2660 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc120c8fc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007fc120c8fca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 R13: 00007ffc3865438f R14: 00007fc120c909c0 R15: 000000000119bf8c team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 509 Comm: syz-executor.5 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:632 kernfs_new_node+0x7b/0xe0 fs/kernfs/dir.c:677 __kernfs_create_file+0x3d/0x320 fs/kernfs/file.c:989 sysfs_add_file_mode_ns+0x1e1/0x450 fs/sysfs/file.c:307 sysfs_create_file include/linux/sysfs.h:515 [inline] br_sysfs_addif+0xd8/0x1a0 net/bridge/br_sysfs_if.c:297 br_add_if+0x5f3/0x1740 net/bridge/br_if.c:531 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 rtnl_newlink+0x1267/0x1830 net/core/rtnetlink.c:2660 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc120c8fc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007fc120c8fca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 R13: 00007ffc3865438f R14: 00007fc120c909c0 R15: 000000000119bf8c team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 546 Comm: syz-executor.5 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:632 kernfs_new_node+0x7b/0xe0 fs/kernfs/dir.c:677 __kernfs_create_file+0x3d/0x320 fs/kernfs/file.c:989 sysfs_add_file_mode_ns+0x1e1/0x450 fs/sysfs/file.c:307 sysfs_create_file include/linux/sysfs.h:515 [inline] br_sysfs_addif+0xd8/0x1a0 net/bridge/br_sysfs_if.c:297 br_add_if+0x5f3/0x1740 net/bridge/br_if.c:531 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 rtnl_newlink+0x1267/0x1830 net/core/rtnetlink.c:2660 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc120c8fc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007fc120c8fca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000016 R13: 00007ffc3865438f R14: 00007fc120c909c0 R15: 000000000119bf8c team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 575 Comm: syz-executor.5 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:632 kernfs_new_node+0x7b/0xe0 fs/kernfs/dir.c:677 __kernfs_create_file+0x3d/0x320 fs/kernfs/file.c:989 sysfs_add_file_mode_ns+0x1e1/0x450 fs/sysfs/file.c:307 sysfs_create_file include/linux/sysfs.h:515 [inline] br_sysfs_addif+0xd8/0x1a0 net/bridge/br_sysfs_if.c:297 br_add_if+0x5f3/0x1740 net/bridge/br_if.c:531 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 rtnl_newlink+0x1267/0x1830 net/core/rtnetlink.c:2660 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc120c8fc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007fc120c8fca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000017 R13: 00007ffc3865438f R14: 00007fc120c909c0 R15: 000000000119bf8c netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 604 Comm: syz-executor.5 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:632 kernfs_new_node+0x7b/0xe0 fs/kernfs/dir.c:677 __kernfs_create_file+0x3d/0x320 fs/kernfs/file.c:989 sysfs_add_file_mode_ns+0x1e1/0x450 fs/sysfs/file.c:307 sysfs_create_file include/linux/sysfs.h:515 [inline] br_sysfs_addif+0xd8/0x1a0 net/bridge/br_sysfs_if.c:297 br_add_if+0x5f3/0x1740 net/bridge/br_if.c:531 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 rtnl_newlink+0x1267/0x1830 net/core/rtnetlink.c:2660 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc120c8fc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007fc120c8fca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 R13: 00007ffc3865438f R14: 00007fc120c909c0 R15: 000000000119bf8c netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 638 Comm: syz-executor.5 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:632 kernfs_new_node+0x7b/0xe0 fs/kernfs/dir.c:677 __kernfs_create_file+0x3d/0x320 fs/kernfs/file.c:989 sysfs_add_file_mode_ns+0x1e1/0x450 fs/sysfs/file.c:307 sysfs_create_file include/linux/sysfs.h:515 [inline] br_sysfs_addif+0xd8/0x1a0 net/bridge/br_sysfs_if.c:297 br_add_if+0x5f3/0x1740 net/bridge/br_if.c:531 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 rtnl_newlink+0x1267/0x1830 net/core/rtnetlink.c:2660 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc120c8fc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007fc120c8fca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000019 R13: 00007ffc3865438f R14: 00007fc120c909c0 R15: 000000000119bf8c net_ratelimit: 51 callbacks suppressed ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 667 Comm: syz-executor.5 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ip_tables: iptables: counters copy to user failed while replacing table Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:632 kernfs_new_node+0x7b/0xe0 fs/kernfs/dir.c:677 __kernfs_create_file+0x3d/0x320 fs/kernfs/file.c:989 sysfs_add_file_mode_ns+0x1e1/0x450 fs/sysfs/file.c:307 sysfs_create_file include/linux/sysfs.h:515 [inline] br_sysfs_addif+0xd8/0x1a0 net/bridge/br_sysfs_if.c:297 br_add_if+0x5f3/0x1740 net/bridge/br_if.c:531 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 rtnl_newlink+0x1267/0x1830 net/core/rtnetlink.c:2660 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc120c8fc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007fc120c8fca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000001a R13: 00007ffc3865438f R14: 00007fc120c909c0 R15: 000000000119bf8c team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state ip_tables: iptables: counters copy to user failed while replacing table bridge0: port 3(team0) entered disabled state FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 ip_tables: iptables: counters copy to user failed while replacing table CPU: 1 PID: 686 Comm: syz-executor.5 Not tainted 4.14.217-syzkaller #0 ip_tables: iptables: counters copy to user failed while replacing table Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:632 kernfs_new_node+0x7b/0xe0 fs/kernfs/dir.c:677 __kernfs_create_file+0x3d/0x320 fs/kernfs/file.c:989 sysfs_add_file_mode_ns+0x1e1/0x450 fs/sysfs/file.c:307 sysfs_create_file include/linux/sysfs.h:515 [inline] br_sysfs_addif+0xd8/0x1a0 net/bridge/br_sysfs_if.c:297 ip_tables: iptables: counters copy to user failed while replacing table br_add_if+0x5f3/0x1740 net/bridge/br_if.c:531 ip_tables: iptables: counters copy to user failed while replacing table do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table rtnl_newlink+0x1267/0x1830 net/core/rtnetlink.c:2660 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc120c8fc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007fc120c8fca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000001b R13: 00007ffc3865438f R14: 00007fc120c909c0 R15: 000000000119bf8c team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 717 Comm: syz-executor.5 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:632 kernfs_new_node+0x7b/0xe0 fs/kernfs/dir.c:677 __kernfs_create_file+0x3d/0x320 fs/kernfs/file.c:989 sysfs_add_file_mode_ns+0x1e1/0x450 fs/sysfs/file.c:307 sysfs_create_file include/linux/sysfs.h:515 [inline] br_sysfs_addif+0xd8/0x1a0 net/bridge/br_sysfs_if.c:297 br_add_if+0x5f3/0x1740 net/bridge/br_if.c:531 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 rtnl_newlink+0x1267/0x1830 net/core/rtnetlink.c:2660 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc120c8fc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007fc120c8fca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000001c R13: 00007ffc3865438f R14: 00007fc120c909c0 R15: 000000000119bf8c team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 747 Comm: syz-executor.5 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:632 kernfs_new_node+0x7b/0xe0 fs/kernfs/dir.c:677 __kernfs_create_file+0x3d/0x320 fs/kernfs/file.c:989 sysfs_add_file_mode_ns+0x1e1/0x450 fs/sysfs/file.c:307 sysfs_create_file include/linux/sysfs.h:515 [inline] br_sysfs_addif+0xd8/0x1a0 net/bridge/br_sysfs_if.c:297 br_add_if+0x5f3/0x1740 net/bridge/br_if.c:531 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 rtnl_newlink+0x1267/0x1830 net/core/rtnetlink.c:2660 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc120c8fc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007fc120c8fca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000001d R13: 00007ffc3865438f R14: 00007fc120c909c0 R15: 000000000119bf8c team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 784 Comm: syz-executor.5 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 Cannot find set identified by id 2 to match should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:632 kernfs_new_node+0x7b/0xe0 fs/kernfs/dir.c:677 __kernfs_create_file+0x3d/0x320 fs/kernfs/file.c:989 sysfs_add_file_mode_ns+0x1e1/0x450 fs/sysfs/file.c:307 Cannot find set identified by id 2 to match sysfs_create_file include/linux/sysfs.h:515 [inline] br_sysfs_addif+0xd8/0x1a0 net/bridge/br_sysfs_if.c:297 br_add_if+0x5f3/0x1740 net/bridge/br_if.c:531 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 rtnl_newlink+0x1267/0x1830 net/core/rtnetlink.c:2660 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc120c8fc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007fc120c8fca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000001e R13: 00007ffc3865438f R14: 00007fc120c909c0 R15: 000000000119bf8c team0: Cannot enslave team device to itself Cannot find add_set index 3 as target bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 812 Comm: syz-executor.5 Not tainted 4.14.217-syzkaller #0 Cannot find add_set index 3 as target Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:632 kernfs_new_node+0x7b/0xe0 fs/kernfs/dir.c:677 __kernfs_create_file+0x3d/0x320 fs/kernfs/file.c:989 sysfs_add_file_mode_ns+0x1e1/0x450 fs/sysfs/file.c:307 sysfs_create_file include/linux/sysfs.h:515 [inline] br_sysfs_addif+0xd8/0x1a0 net/bridge/br_sysfs_if.c:297 br_add_if+0x5f3/0x1740 net/bridge/br_if.c:531 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 rtnl_newlink+0x1267/0x1830 net/core/rtnetlink.c:2660 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc120c8fc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007fc120c8fca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000001f R13: 00007ffc3865438f R14: 00007fc120c909c0 R15: 000000000119bf8c team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 843 Comm: syz-executor.5 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:632 kernfs_new_node+0x7b/0xe0 fs/kernfs/dir.c:677 __kernfs_create_file+0x3d/0x320 fs/kernfs/file.c:989 sysfs_add_file_mode_ns+0x1e1/0x450 fs/sysfs/file.c:307 sysfs_create_file include/linux/sysfs.h:515 [inline] br_sysfs_addif+0xd8/0x1a0 net/bridge/br_sysfs_if.c:297 br_add_if+0x5f3/0x1740 net/bridge/br_if.c:531 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 rtnl_newlink+0x1267/0x1830 net/core/rtnetlink.c:2660 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc120c8fc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007fc120c8fca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000020 R13: 00007ffc3865438f R14: 00007fc120c909c0 R15: 000000000119bf8c team0: Cannot enslave team device to itself bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 870 Comm: syz-executor.5 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:632 kernfs_new_node+0x7b/0xe0 fs/kernfs/dir.c:677 __kernfs_create_file+0x3d/0x320 fs/kernfs/file.c:989 sysfs_add_file_mode_ns+0x1e1/0x450 fs/sysfs/file.c:307 sysfs_create_file include/linux/sysfs.h:515 [inline] br_sysfs_addif+0xd8/0x1a0 net/bridge/br_sysfs_if.c:297 br_add_if+0x5f3/0x1740 net/bridge/br_if.c:531 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 rtnl_newlink+0x1267/0x1830 net/core/rtnetlink.c:2660 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219